Tennessee Code Title 4. State Government § 4-3-305

(1) Prescribe forms and procedures for the preparation of annual budgets in the several counties and in the other local governments;

(2) Require from the proper local authority a copy of the annual budget as adopted by the governing body of each county or other local government;

(3) Prepare a flexible system of uniform accounts for the various counties and for the other local governments, and assist the local authorities in its installation;

(4) Require annually from each county and other local government a financial report, showing in itemized form all expenditures for current operation and maintenance, for capital outlays, for debt retirement and interest charges and for any other expenses, and also setting forth in detail all revenues and other sources of income;

(5) Audit the accounts of all county and other local governments, such audit to be made either by the auditors of the comptroller of the treasury or the comptroller’s designee or by private accountants approved by the comptroller of the treasury or the comptroller's designee;

(6) Promulgate regulations with respect to the issuance of county and municipal bonds, the refunding and retirement of county and municipal debts and the handling of county or municipal defaults;  and

(7) Study the state subsidies and turn-backs to county and other local governments for highway, welfare, educational and other purposes, and make recommendations to the governor on the fiscal aspects of such subsidies and turn-backs.

(c)(1) Notwithstanding this section or any other law to the contrary, upon the approval of the comptroller of the treasury or the comptroller’s designee, a municipality or county is authorized to prepare and adopt a biennial budget for such departments as authorized by the comptroller of the treasury or the comptroller’s designee.  The budgets shall be prepared as required by the comptroller of the treasury or the comptroller's designee and after all necessary changes have been made to the local government's charter, private acts, resolutions, or ordinances, as appropriate.

(2) In preparing such budgets, careful consideration shall be given to ensure there is no impairment to an existing contract, bond obligation, or anticipation note of the governmental entity.